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Andre45 [30]
3 years ago
5

What is the definition of atomic group

Chemistry
1 answer:
Anestetic [448]3 years ago
8 0
<span>do you have choices to choose from?

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How US is the most developed country?
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3 years ago
How many neutrons are in selenium -36?
Soloha48 [4]

Selenium (Se)  the most common isotope of this element. The nucleus consists of 34 protons (red) and 46 neutrons (blue).

5 0
3 years ago
What type(s) of bonding would be expected for each of the following materials: brass (a copper-zinc alloy), rubber, barium sulfi
mr_godi [17]

The force of attraction that results in holding of atoms or ions together in a molecule or crystal is said be bonding.  Bond formation can take place by either attraction or transfer of electrons. There are single, double, and triple bonds.  There are many types of bonding namely:

Covalent (sharing of electrons takes place).

Ionic (transfer of electrons takes place).

Metallic (ionized atoms of metals and the sea of electrons around them).

  • Brass (a copper-zinc alloy)

Brass is an alloy of metal that is copper and zinc. Hence, the metallic bonding is present in the brass.

  • Rubber

It is a polymer whose monomer unit is isoprene, which is a covalent compound. The isoprene units are attached in repeated units to form rubber by covalent bonding.

  • Barium sulfide (BaS)

Due to the large electronegativity difference between barium and sulfur, barium sulfide is an ionic compound. Thus, ionic bonding is present in barium sulfide.

  • Solid xenon

Only xenon atoms are present in solid xenon which are interacted by weak Van der Waal's interactions.

  • Bronze

Bronze is an alloy of metal that is copper and tin. Hence, the metallic bonding is present in the brass.

  • Nylon

It is a polymer whose monomer unit is caprolactam, which is a covalent compound. The caprolactam units are attached in repeated units to form nylon by covalent bonding.

  • Aluminum phosphide (AlP)

Aluminum phosphide is a covalent compound and thus involves covalent bonding.

7 0
3 years ago
How is the word theory as it is used in science different from the common use of the word outside of science?
Neko [114]

Answer:A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts.

Explanation:

8 0
2 years ago
While preparing for his first Chemistry exam, Jaden is studying the elements and trying to memorize their abbreviations. On test
Crazy boy [7]

Answer:

The correct option is: Recency effect

Explanation:

Serial position effect is a concept that describes the <u>effect of the position of an item in a sequence on its recall accuracy</u>. According to this theory, in a sufficiently long list of items, an individual is more likely to recall the first and the last items with greater accuracy than the middle items.

There are two types:

<u>1. Recency effect</u>: <u>The items in the end of the list or series are recalled first and more accurately.</u>

<u>2. Primacy effect</u>: The items in the beginning of the list or series are recalled first and more accurately.

In the given example, Jaden can only recall the abbreviation for the <u>last 5 elements in a list of 30 elements</u>. This tendency is known as Recency effect.

3 0
3 years ago
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